Electronic Interactions on Platinum/(Metal‐Oxide)‐Based Photocatalysts Boost Selective Photoreduction of CO2 to CH4
Abstract By supporting platinum (Pt) and cadmium sulfide (CdS) nanoparticles on indium oxide (In2 O3), we fabricated a CdS/Pt/In2 O3 photocatalyst. Selective photoreduction of carbon dioxide (CO2) to methane (CH4) was achieved on CdS/Pt/In2 O3 with electronic Pt−In2 O3 interactions, with CH4 selectivity reaching to 100 %, which is higher than that on CdS/Pt/In2 O3 without electronic Pt−In2 O3 interactions (71.7 %). Moreover, the enhancement effect of electronic Pt‐(metal‐oxide) interactions on selective photoreduction of CO2 to CH4 also occurs by using other common metal oxides, such as photocatalyst supports, including titanium oxide, gallium oxide, zinc oxide, and tungsten oxide. The electronic Pt‐(metal‐oxide) interactions separate photogenerated electron‐hole pairs and convert CO2 into CO2δ−, which can be easily hydrogenated into CH4 via a CO2δ−→HCOO*→HCO*→CH*→CH4 path, thus boosting selective photoreduction of CO2 to CH4. This offers a new way to achieve selective photoreduction of CO2..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:135 |
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| Enthalten in: |
Angewandte Chemie - 135(2023), 38 |
| Beteiligte Personen: |
Liu, Peng [VerfasserIn] |
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| Anmerkungen: |
© 2023 Wiley‐VCH GmbH |
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| Umfang: |
10 |
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| doi: |
10.1002/ange.202309443 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Abstract By supporting platinum (Pt) and cadmium sulfide (CdS) nanoparticles on indium oxide (In2 O3), we fabricated a CdS/Pt/In2 O3 photocatalyst. Selective photoreduction of carbon dioxide (CO2) to methane (CH4) was achieved on CdS/Pt/In2 O3 with electronic Pt−In2 O3 interactions, with CH4 selectivity reaching to 100 %, which is higher than that on CdS/Pt/In2 O3 without electronic Pt−In2 O3 interactions (71.7 %). Moreover, the enhancement effect of electronic Pt‐(metal‐oxide) interactions on selective photoreduction of CO2 to CH4 also occurs by using other common metal oxides, such as photocatalyst supports, including titanium oxide, gallium oxide, zinc oxide, and tungsten oxide. The electronic Pt‐(metal‐oxide) interactions separate photogenerated electron‐hole pairs and convert CO2 into CO2δ−, which can be easily hydrogenated into CH4 via a CO2δ−→HCOO*→HCO*→CH*→CH4 path, thus boosting selective photoreduction of CO2 to CH4. This offers a new way to achieve selective photoreduction of CO2. | ||
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| 700 | 1 | |a Meng, Xin‐Yu |4 aut | |
| 700 | 1 | |a Peng, Chong |4 aut | |
| 700 | 1 | |a Zhao, Yiyi |4 aut | |
| 700 | 1 | |a Pan, Yun‐Xiang |4 aut | |
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